// ShortForge AI – App logic
class ShortForgeApp {
    constructor() {
        this.currentTemplate = 'narration';
        this.generated = false;
        this.voices = {
            'fr-lea': { name: 'Lea', lang: 'fr-FR', gender: 'female' },
            'fr-remy': { name: 'Rémy', lang: 'fr-FR', gender: 'male' },
            'en-bella': { name: 'Bella', lang: 'en-US', gender: 'female' },
            'en-mat': { name: 'Mat', lang: 'en-US', gender: 'male' }
        };
        this.init();
    }
init() {
        this.bindEvents();
        this.updateTemplateButtons();
    }
    bindEvents() {
        // Template buttons
        document.querySelectorAll('.template-btn').forEach(btn => {
            btn.addEventListener('click', e => {
                document.querySelectorAll('.template-btn').forEach(b => b.classList.remove('active'));
                e.target.classList.add('active');
                this.currentTemplate = e.target.dataset.template;
                this.updateTemplatePreview();
            });
        });
// Generate
        document.getElementById('voiceSelect').addEventListener('change', () => this.updateVoicePreview());
        document.getElementById('generateBtn').addEventListener('click', () => this.generate());
// Download
        document.getElementById('downloadBtn').addEventListener('click', () => this.download());

        // File upload
        document.getElementById('loadTxt').addEventListener('click', () => this.loadTxt());
        document.getElementById('loadReddit').addEventListener('click', () => this.loadReddit());
    }
    updateTemplateButtons() {
        document.querySelectorAll('.template-btn').forEach(btn => {
            btn.classList.toggle('active', btn.dataset.template === this.currentTemplate);
        });
    }

    updateTemplatePreview() {
        const templates = {
            narration: 'Narration douce avec transitions lentes.',
            reddit: 'Reddit story rythmé pour maximiser le retention.',
            educatif: 'Format éducatif avec captions synchronisés.',
            top5: 'Top 5 dynamique avec effets punchy.'
        };
        const desc = templates[this.currentTemplate];
        const preview = document.createElement('div');
        preview.className = 'mt-2 text-xs text-gray-400';
        preview.textContent = desc;
        const existing = document.querySelector('#templateDesc');
        if (existing) existing.remove();
        preview.id = 'templateDesc';
        document.querySelector('.template-btn.active').parentElement.appendChild(preview);
    }

    updateVoicePreview() {
        const select = document.getElementById('voiceSelect');
        const voiceId = select.value;
        const voice = this.voices[voiceId];
        const preview = document.createElement('div');
        preview.className = 'mt-2 text-xs text-gray-400';
        preview.textContent = `${voice.name} – ${voice.lang} (${voice.gender})`;
        const existing = document.querySelector('#voiceDesc');
        if (existing) existing.remove();
        preview.id = 'voiceDesc';
        select.parentElement.appendChild(preview);
    }
async loadTxt() {
        const input = document.createElement('input');
        input.type = 'file';
        input.accept = '.txt';
        input.onchange = e => {
            const file = e.target.files[0];
            if (!file) return;
            const reader = new FileReader();
            reader.onload = evt => {
                document.getElementById('scriptInput').value = evt.target.result;
            };
            reader.readAsText(file);
        };
        input.click();
    }

    loadReddit() {
        const url = prompt('Collez l’URL Reddit du post :');
        if (!url) return;
        // Mock fetch
        document.getElementById('scriptInput').value = 'Mock Reddit story récupéré !';
    }
    async generate() {
        const script = document.getElementById('scriptInput').value.trim();
        if (!script) return alert('Veuillez entrer un script.');

        const btn = document.getElementById('generateBtn');
        const original = btn.innerHTML;
        btn.disabled = true;
        btn.innerHTML = '<i data-feather="loader" class="inline w-5 h-5 mr-2 animate-spin"></i>Génération…';
        feather.replace();

        // Simulate API
        await new Promise(r => setTimeout(r, 3000));

        // Fake video
        const video = document.getElementById('previewVideo');
        video.src = 'https://sample-videos.com/shorts/9-16/mp4/20.mp4';
        document.getElementById('previewPlayer').classList.remove('hidden');
        document.getElementById('previewPlaceholder').classList.add('hidden');
        document.getElementById('downloadBtn').classList.remove('hidden');

        // Save to localStorage
        const history = JSON.parse(localStorage.getItem('sf-history') || '[]');
        history.unshift({ script, template: this.currentTemplate, timestamp: Date.now() });
        localStorage.setItem('sf-history', JSON.stringify(history.slice(0, 10)));

        this.generated = true;
        btn.disabled = false;
        btn.innerHTML = original;
        feather.replace();
    }
download() {
        if (!this.generated) return;
        const link = document.createElement('a');
        link.href = 'https://sample-videos.com/shorts/9-16/mp4/20.mp4';
        link.download = 'shortforge-video.mp4';
        link.click();
    }
}
document.addEventListener('DOMContentLoaded', () => {
    new ShortForgeApp();
});

// History quick-load
window.addEventListener('load', () => {
    const history = JSON.parse(localStorage.getItem('sf-history') || '[]');
    if (history.length > 0) {
        const last = history[0];
        document.getElementById('scriptInput').placeholder = `Dernier script: "${last.script.substring(0, 50)}…"`;
    }
});